| Stage | p63 | |||||
| Negative | Weak | Moderate | Strong | Total | ||
| pTa | N | 0 | 0 | 1 | 24 | 25 |
| % | 0.00 | 0.00 | 4.00 | 96.00 | 100.00 | |
| pT1 | N | 3 | 11 | 30 | 25 | 69 |
| % | 4.35 | 15.94 | 43.48 | 36.23 | 100.00 | |
| pT2 | N | 13 | 18 | 28 | 3 | 62 |
| % | 20.97 | 29.03 | 45.16 | 4.84 | 100.00 | |
| pT3 | N | 7 | 14 | 5 | 0 | 26 |
| % | 26.92 | 53.85 | 19.23 | 0.00 | 100.00 | |
| pT4 | N | 5 | 0 | 0 | 0 | 5 |
| % | 100.00 | 0.00 | 0.00 | 0.00 | 100.00 | |
| Total | N | 28 | 43 | 64 | 52 | 187 |
| % | 14.97 | 22.99 | 34.22 | 27.81 | 100.00 | |
| Chi-square | X2 | 134.741 | ||||
| P-value | 0.000 | |||||